Journal
JOURNAL OF CRYSTAL GROWTH
Volume 588, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.jcrysgro.2022.126602
Keywords
A2; Growth from melt; Single Crystal Growth; Bridgman Technique; B1; Organic Compounds; B3; Nonlinear Optical; Seed crystal growth
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High quality organic single crystals of 4,4'-DMB were successfully grown using the Bridgman technique, showing single-phase formation without impurities and an optical bandgap of 2.7 eV. Vickers microhardness measurements indicated that the crystal belongs to the soft material category, and studies on laser damage threshold and Z-scan technique were conducted to analyze the optical nonlinear properties of the grown crystal.
High quality organic single crystals of 4, 4 '-Dimethoxybenzoin (4,4 '-DMB) were grown by Bridgman technique by optimizing the growth conditions. Single-phase formation of the compound without any impurities and unit cell parameters were found by powder X-ray diffraction. Photo luminescence spectra showed green emission in the grown crystal. DFT computations on the optical and structural properties were matching with the experimental findings. The cut off wavelength of the grown crystal was found to be around 346 nm and optical bandgap is found to be 2.7 eV.VickersMicrohardness (Hv) measurements revealed of the 4,4, DMB single crystal shown the soft material category. Laser damage threshold studies for the grown crystals were done and compared with other NLO crystals. The optical nonlinear property of the grown crystal were analyzed by Z-scan technique.
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